GB/T 2913-2026 Pending National standards

GB/T 2913-2026 Plastics—Test for whiteness

GB/T 2913-2026 Plastics—Test for whiteness

Publish Date: 2026-03-31 Implement Date: 2026-10-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 2913-2026

Standard Type: National standards

Standard Status: Pending

is_force_gb: no

CCS Name: Basic standards and general methods for synthetic resins and plastics

ICS Name: Plastic Composite

Publish Date: 2026-03-31

Implement Date: 2026-10-01

Pages: 12 pages

Scope

This document describes the method of measuring the whiteness, lightness index, and blue whiteness of plastics using a spectrophotometer or a blue light photometer.
This document is suitable for measuring semi-transparent or opaque, white or near-white, fluorescent or non-fluorescent powder, granules, or sheet-like plastics.

Development Information

Word Count: 13 Thousand words Pages: 12 pages

Replace the following standards

GB/T 2913-1982 Test for whiteness of plastics

Referenced Standards

GB/T 2035-1996 Terms and definitions for plastics GB/T 2035-2008 Terms and definitions for plastics GB/T 2035-2024 Plastics—Vocabulary GB/T 2918-1998 Plastics—Standard atmospheres for conditioning and testing GB/T 2918-2018 Plastics—Standard atmospheres for conditioning and testing GB/T 7974-2002 Paper, board and pulp-Measurement of brightness—Diff/Geometry GB/T 7974-2013 Paper,board and pulps—Measurement of diffuse blue reflectance factor—D65 brightness(Diff/ Geometry,Outdoor daylight conditions) GB/T 22880-2008 Paper and board—Determination of CIE whiteness,D65/10°(outdoor daylight) ISO/CIE 11664-1 ISO/CIE 11664-2 CIE 出版物 15

Related Standards

GB/T 12000-1989 Replaced

GB/T 12000-1989 Plastics—Test methods of exposure to damp heat, steady state

Publish Date: 1989-12-25

GB/T 15585-1995 Abolished

GB/T 15585-1995 Determination of shrinkage for injection moulding thermoplastics

Publish Date: 1995-06-12

GB/T 15596-1995 Replaced

GB/T 15596-1995 Plastics—Determination of changes in Color and variations in properties after exposure to daylight under glass, natural weathering or artificial light

Publish Date: 1995-06-12

GB/T 15598-1995 abolished_transferred

GB/T 15598-1995 Testing methods for shear strength of plastics by punch tool

Publish Date: 1995-06-12

GB/T 1843-1996 Replaced

GB/T 1843-1996 Plastics—Determination of izod impact strength

Publish Date: 1996-06-14

GB/T 2035-1996 Replaced

GB/T 2035-1996 Terms and definitions for plastics

Publish Date: 1996-06-14